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Record 1ee1666fe110433e834f8896998c1abb

FAIL

Verdict and provenance first; raw prompt/response/reasoning below, collapsed.

✕FAILanswered "break room" · model Nemotron 3 Super 120B

finish_reason: stop · tokens in/out: 600/1149 · cost: $0.000565 · latency: 6612.3 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 1ee1666f

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Why did it fail? Nemotron 3 Ultra · live on Nebius Token Factory

Ultra reads the prompt, this answer, the verified correct answer and the difficulty settings, then explains the mistake. The verifier's own classification is shown next to it for comparison.

Prompt 1,969 chars · 600 tokens in
At 8:16, Roman carried the old box to the conference room. At 8:17, Clara brought the old box over to the gym. At 8:18, she took the old box and placed it in the print room. At 8:19, Felix moved the old box into the loading dock. At 8:20, Roman moved the old box into the east wing. At 8:22, Clara carried the old box to the break room. At 8:23, he took the old box and placed it in the south stairwell. At 8:24, she moved the old box into the security office. At 8:25, Felix carried the old box to the south stairwell. At 8:26, he carried the old box to the security office. At 8:27, Clara brought the old box over to the basement. At 8:28, she moved the old box into the security office. At 8:29, Felix brought the old box over to the atrium. At 8:30, he reorganized some papers on the desk. At 8:31, he refilled a cup of coffee. At 8:21, Clara moved the old box into the basement. At 8:00, he brought the narrow tablet over to the conference room. At 8:01, she brought the narrow tablet over to the east wing. At 8:02, Roman carried the narrow tablet to the conference room. At 8:03, he moved the narrow tablet into the security office. At 8:04, Clara carried the narrow tablet to the print room. At 8:15, he brought the old box over to the gym. At 8:05, Felix took the narrow tablet and placed it in the gym. At 8:06, Clara took the narrow tablet and placed it in the east wing. At 8:07, she carried the narrow tablet to the break room. At 8:08, Roman carried the narrow tablet to the print room. At 8:09, Felix brought the narrow tablet over to the atrium. At 8:10, Clara moved the old box into the print room. At 8:11, he carried the old box to the east wing. At 8:12, Roman took the old box and placed it in the conference room. At 8:13, he moved the old box into the security office. At 8:14, he brought the old box over to the break room.

Where does Clara believe the narrow tablet is? Answer with only the location name (or 'unknown' if they have no belief).
Response 1,149 tokens out · finish: stop

break room
Reasoning 4,791 chars
Model reasoning
We need to parse statements about actions by characters: Roman, Clara, Felix. The question: "Where does Clara believe the narrow tablet is?" We must infer based on her knowledge from events described up to certain times? Usually these puzzles involve tracking beliefs given that each person knows their own actions but not others unless observed? However we need to interpret typical scenario: Each character's belief about an object's location updates when they perform an action involving that object; they may also know where they left it after moving it. They might not know about moves done by others unless they witness them. The problem statement doesn't specify observation rules. Likely assumption: each person knows the location of objects they personally moved or interacted with, and they assume it stays where they left it unless they later move it again. They don't know about others' moves unless they see them (i.e., if another person moves it in their presence?). But there is no explicit mention of seeing others. Could be simpler: Clara's belief about the narrow tablet is based solely on her own actions regarding the narrow tablet. So we track Clara's actions with narrow tablet and see where she last placed/moved it according to her own actions. Then answer that location as her belief.

Let's list all events concerning narrow tablet:

From timeline:

- At 8:00, he brought the narrow tablet over to the conference room. Who is "he"? Probably Roman? Let's check context: earlier sentences: "At 8:00, he brought the narrow tablet over to the conference room." Prior to that, we had at 8:?? Actually before 8:00 we have nothing. The pronoun "he" could refer to Roman? Need to see pattern: Many statements start with a name then action. When pronoun used, likely refers to last mentioned male? Let's examine surrounding: At 8:00, he brought the narrow tablet over to the conference room. At 8:01, she brought the narrow tablet over to the east wing. At 8:02, Roman carried the narrow tablet to the conference room. At 8:03, he moved the narrow tablet into the security office. At 8:04, Clara carried the narrow tablet to the print room. At 8:15, he brought the old box over to the gym. At 8:05, Felix took the narrow tablet and placed it in the gym. At 8:06, Clara took the narrow tablet and placed it in the east wing. At 8:07, she carried the narrow tablet to the break room. At 8:08, Roman carried the narrow tablet to the print room. At 8:09, Felix brought the narrow tablet over to the atrium. At 8:10, Clara moved the old box into the print room. etc.

Thus pronouns: "he" likely refers to Roman (since Roman appears often as male). "she" likely refers to Clara (female). Felix is male but referred by name. So we can interpret:

- 8:00: Roman brought narrow tablet to conference room.
- 8:01: Clara brought narrow tablet to east wing.
- 8:02: Roman carried narrow tablet to conference room (again).
- 8:03: Roman moved narrow tablet into security office.
- 8:04: Clara carried narrow tablet to print room.
- 8:05: Felix took narrow tablet and placed it in gym.
- 8:06: Clara took narrow tablet and placed it in east wing.
- 8:07: Clara carried narrow tablet to break room.
- 8:08: Roman carried narrow tablet to print room.
- 8:09: Felix brought narrow tablet to atrium.
- ... later no more narrow tablet actions? There's also maybe at 8:?? Not else.

Now Clara's belief about narrow tablet: She knows her own actions. She may also observe others? If she sees someone else move it, she would update. Does she see others? The statements are just narrative; we don't know if she observed. Typically in such puzzles, each person only knows about actions they themselves performed, unless they are present when someone else does it and they see it. Since we aren't told she observed others, we assume she only knows her own moves.

Thus track Clara's narrow tablet actions:

- 8:01: Clara brought narrow tablet to east wing. So after this, she believes it's in east wing (she moved it there).
- 8:04: Clara carried narrow tablet to print room. So after this, she believes it's in print room.
- 8:06: Clara took narrow tablet and placed it in east wing. So after this, she believes it's in east wing.
- 8:07: Clara carried narrow tablet to break room. So after this, she believes it's in break room.
- No further Clara narrow tablet actions after 8:07.

Thus her last known action with narrow tablet is at 8:07: she carried it to break room. So she believes it's in break room.

But we should consider if any later events might have been observed by Clara (e.g., she might have seen Felix move it later?). Not indicated. So answer: break room.

Check if any other Clara actions with narrow tablet after 8:07? None.

Thus answer: break room.

Return just location name.
Realized dims 5
dimvalue
context_length32.0
coreference1.0
distractors20.0
entity_state10.0
temporal0.5564516129032258
Latent params 5
paramvalue
chain_length10.0
coref_pressure0.0
distractor_events20.0
filler_events2.0
scramble1.0